Home / 77,102,368.89-115,653,947.07-25,984,830.57

Finding the Fourth Proportional to 77,102,368.89, 115,653,947.07 and 25,984,830.57

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Solution

The fourth proportional to 77,102,368.89, 115,653,947.07 and 25,984,830.57 is: 38,977,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,368.89 : 115,653,947.07 = 25,984,830.57 : x
  2. Step 2: Convert to fraction form
    77,102,368.89/115,653,947.07 = 25,984,830.57/x
  3. Step 3: Cross multiply
    77,102,368.89x = 115,653,947.07 × 25,984,830.57
  4. Step 4: Simplify right side
    77,102,368.89x = 3,005,248,219,365,698
  5. Step 5: Solve for x
    x = 3,005,248,219,365,698/77,102,368.89
  6. Step 6: Final answer
    x = 38,977,378.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.